22
I/O Link Unit
CPM1A-SRT21
I/O Link Unit for CPM2A/CPM1A
Operates as a Slave of the CompoBus/S Master
Unit.
Exchanges eight inputs and eight outputs with the
Master.
Approved
by UL and CSA standards,
and bears the
CE marking.
RC
Ordering Information
CPU Units
I/O configuration Power supply Output method Input Output Model
30-point I/O model
AC Relay
18 12
CPM1A-30CDR-A*
Transistor (sink) CPM1A-30CDT-D
Transistor (source) CPM1A-30CDT1-D
AC Relay CPM2A-30CDR-A
DC
Relay CPM2A-30CDR-D
Transistor (sink) CPM2A-30CDT-D
Transistor (source) CPM2A-30CDT1-D
40-point I/O model
AC Relay
24 16
CPM1A-40CDR-A*
Transistor (sink) CPM1A-40CDT-D
Transistor (source) CPM1A-40CDT1-D
AC Relay CPM2A-40CDR-A
DC
Relay CPM2A-40CDR-D
Transistor (sink) CPM2A-40CDT-D
Transistor (source) CPM2A-40CDT1-D
60-point I/O model
AC Relay
36 24
CPM2A-60CDR-A
Transistor (sink) CPM2A-60CDT-D
Transistor (source) CPM2A-60CDT1-D
Note: Models
marked with asterisks do not bear CE markings.
Expansion Units
Product Number of connectable
Units per CPU Unit
Output method Input Output Model
Expansion I/O Units 3 max. (see note)
Relay
12 8
CPM1A-20EDR1
CPM1A-20EDT
Transistor (source) CPM1A-20EDT1
--- 8 --- CPM1A-8ED
Relay --- 8 CPM1A-8ER
Transistor (sink)
--- 8
CPM1A-8ET
Transistor (source)
CPM1A-8ET1
Analog I/O Unit 3 max. (see note) Analog 2 1 CPM1A-MAD01
CompoBus/S I/O Link Unit 3 max. (see note) --- 8 I/O link points 8 I/O link points CPM1A-SRT21
Note: Only
a single Unit will be connectable if the NT
-AL001 is connected to the RS-232C port.